IMPROVED OVEN FOR EFFICIENT BURNING OF SMOKELESS COAL BLOCK

摘要

An improved oven for complete and smokeless burning cylindricalshaped coal block with through vertical holes described and claimed in any copending Indian Patent Specofication No. 1658/Cal/76 (serial No. 142170) which component a vertically disposed hollow cylindrical shell of wire neutral whose inner wall is lined with refractory lining and the outer wall is linked with asbestos-magnesia composition as an insulating lining, in which a cylindrical coal block is adapted to be loosely placed, said cylindrical shell standing the circular base platform whose central portion is blank or hollow, wherein three equally spaced air inlets are provided at the lower end of the said cylindrical shell.